93144 Knappa Platt Rd is a 2,506 square foot house on a 0.83 acre lot with 4 bedrooms and 1 bathroom. Based on Redfin's Astoria data, we estimate the home's value is $496,750.
Single-familyProperty Type
1921Year Built
0.83 acresLot Size
$198Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$496,750
$1,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.2% higher than the average sale price ($481K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,841 (−0.7%)
2024
$3,869 (+3.6%)
2023
$3,733 (+2.0%)
2022
$3,660 (+28.7%)
2021
$2,844 (−11.2%)
2020
$3,204 (+3.5%)
2019
$3,096 (+5.3%)
2018
$2,940 (+4.6%)
2017
$2,810 (−5.8%)
2016
$2,985 (+10.7%)
2014
$2,696
Tax history for 93144 Knappa Platt Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,841 (−0.7%)
2024
$3,869 (+3.6%)
2023
$3,733 (+2.0%)
2022
$3,660 (+28.7%)
2021
$2,844 (−11.2%)
2020
$3,204 (+3.5%)
2019
$3,096 (+5.3%)
2018
$2,940 (+4.6%)
2017
$2,810 (−5.8%)
2016
$2,985 (+10.7%)
2014
$2,696
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
KS-RCR
Knappa-Svensen Rural Community Residential Zone
The Knappa and Svensen RCR zone is intended to accommodate the immediate and foreseeable demand for low density housing in Clatsop County rural communities. This zone has been developed with the purpose to: allow residential development that is compatible with rural communities that wish to maintain a primarily residential character; do not adversely impact adjacent resource lands; allow for minimum lot sizes and densities, that will provide for an ultimate build out that is more commensurate with actual physical, and environmental constraints, and the availability of community water and do not exceed the carrying capacity of the property absorb waste, and; may provide for non-residential uses that are small in scale, intended for the needs of the local community or for people traveling through the rural community, and are compatible with surrounding uses.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Single unit
Housing-Multiple units
Self-Storage / mini-Storage
Infrastructure
Recreation
Feb 5, 2024 • Final
Residential plumbing
Perform a shower to shower conversion. No changes will be made to the existing footprint.
Plumbing
Jul 14, 2023 • Final
Residential plumbing
Remove and replace a bathtub and shower combination with a walk-in shower.
Bathroom
Plumbing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Heat Pump
Fireplace Information
Has Fireplace
Exterior
Exterior Information
Foundation Type: Masonry
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 2,506
Ground Floor Sq. Ft: 1,253
Building Sq. Ft: 2,506
# of Stories: 2
Legal Description: .83 AC
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 2,095
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 36,155
Acres: 0.83
State Use Description: RESID/IMPROVED
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 1.0
Sq. Ft.: 2,506
Stories: 2.0
Lot Size: 0.83 acres
Style: Single Family Residential
Year Built: 1921
Year Renovated: 1953
County: Clatsop County
APN: 19317
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Hilda Lahti Elementary School
Public K-8 • Assigned • 2.4mi
7/10
Knappa High School
Public 9-12 • Assigned • 2.4mi
1/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
1/10 Heat Factor
7 days above 84° expected this year, 13 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
7 unhealthy days expected this year, 7 days in 30 years
Provided by First Street
Historical weather
Astoria, OR • 97103
Average low and high temperatures (°F)
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38
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66
54
60
48
53
44
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43
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Feb
Mar
Apr
May
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Sun exposure
In this area, properties receive around 8.5 hours in
June and 1.9 hours in December, placing it below the
U.S. average for solar exposure.
8.5 hrs
1.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$472,000 – $572,000
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